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Explain the Sub-Culturing?
Microbiological studies require microorganisms in pure form, i.e., a single type of microorganisms should be present in a culture. Maintenance of these pure cultures in laboratory is must. Preparation and maintenance of these pure cultures can be achieved by transfer of culture from one medium to another or from their parent growth source to another. The procedure is called sub-culturing. This technique is of basic importance and should be carried out by practicing aseptic technique. The term picking off is used when transfer is made from solid to liquid media.
Q. List the stages of process of behaviour change? Stages of behaviour change process: · Unawareness · Awareness · Acquiring knowledge · Motivation · Trial
N A TURA L CONTROL OF POPULATION GROWTH - 1 . Biotic potential - It is capacity of population to increase its number by reproduction. For all animals, it is v
What is the tertiary structure of a protein? What are the main kinds of tertiary structure? The tertiary protein structure is a spatial conformation additional to the secondary
How different are fecundation in osteichthyes and in chondrichthyes? In chondrichthyes fecundation is internal by means of copulation. In osteichthyes fecundation generally is
What is Asexual Reproduction? Asexual reproduction occurs in prokaryotes through the process of binary fission. Primitive eukaryotes and plants also reproduce by various t
Amphibians - Regeneration in Vertebrates Newts and salamander show remarkable regenerative ability in larval as well as adult stages. In larval stages except for limbs and tai
Write the meaning of balanced diet. 1) Balanced Diet means diet which contains a variety of foods in such quantities and proportions that the need for energy, proteins, vitami
economic importance
Perception of Light - Floral Induction Stimulus Leaves are found to be organs that perceive light 'stimulus', K.C. Hamner and J. Bonner showed in 1938 that even if all the lea
Ovary is half-inferior in the flowers of : 1. Guava 2. Plum 3. Brinjal 4. Cucumber Plum is the flower in which ovary is half - inferior
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